diff --git a/jest.config.js b/jest.config.js
index 676221f6626e4553dd4bc7479f7d718d8e6b1192..73b4f796282c9e133891edfb3c22e4429a434a62 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -18,13 +18,6 @@ module.exports = {
   globals: {
     __ALLOW_HTTP__: false,
     __TARGET__: 'browser',
-    cozy: {
-      bar: {
-        BarLeft: ({ children }) => children,
-        BarRight: ({ children }) => children,
-        BarCenter: ({ children }) => children,
-        setTheme: () => null,
-      },
-    },
+    cozy: {},
   }
 }
diff --git a/src/components/Header/CozyBar.spec.tsx b/src/components/Header/CozyBar.spec.tsx
index 35489f78c8e7f4deaaa5ab0ad9eab2371049d605..068242c9000cc40c7f8259afc7f2c6ee072c3019 100644
--- a/src/components/Header/CozyBar.spec.tsx
+++ b/src/components/Header/CozyBar.spec.tsx
@@ -34,7 +34,7 @@ describe('CozyBar component', () => {
 
   it('should call handleClickFeedbacks', () => {
     useRecoilValue.mockReturnValueOnce(ScreenType.MOBILE)
-    useSetRecoilState.mockReturnValueOnce((t: ModalState) => t)
+    useSetRecoilState.mockReturnValueOnce((value: ModalState) => value)
     const component = shallow(<CozyBar />)
     component.find(StyledIconButton).simulate('click')
     expect(useSetRecoilState).toBeCalled()
diff --git a/test/jestLib/setup.js b/test/jestLib/setup.js
index add18abe40eeb200341d9a34d9e9564efaed8c7c..b6deccdf3165fb81f5e290b2c08f73ed02206e96 100644
--- a/test/jestLib/setup.js
+++ b/test/jestLib/setup.js
@@ -11,3 +11,12 @@ configure({ adapter: new Adapter() })
 global.requestAnimationFrame = cb => {
   setTimeout(cb, 0)
 }
+
+global.cozy = {
+  bar: {
+    BarLeft: ({ children }) => children,
+    BarRight: ({ children }) => children,
+    BarCenter: ({ children }) => children,
+    setTheme: () => null,
+  },
+}